/Engine/Plugins/Experimental/GeometryScripting/Source/GeometryScriptingCore/Public/GeometryScript/MeshRepairFunctions.h
Welds any open boundary edges of the mesh together if possible in order to remove "cracks."
static [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * WeldMeshEdges ( [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * TargetMesh, [FGeometryScriptWeldEdgesOptions](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptWeldEdgesOptions) WeldOptions, [UGeometryScriptDebug](API\Plugins\GeometryScriptingCore\GeometryScript\UGeometryScriptDebug) * Debug )